linux-kernel - Re: [PATCH] arm64: dts: qcom: sdm845-oneplus: enable second wifi channel

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Date:   Wed, 20 Oct 2021 12:13:37 -0500
From:   Steev Klimaszewski <steev@...i.org>
To:     Caleb Connolly <caleb@...nolly.tech>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH] arm64: dts: qcom: sdm845-oneplus: enable second wifi
 channel

Hi Caleb,

On 10/20/21 11:36 AM, Caleb Connolly wrote:
> Like the c630, the OnePlus 6 is also capable of using both antenna
> channels for 2.4 and 5ghz wifi, however unlike the c630 only the first
> channel is used for bluetooth.
>
> Signed-off-by: Caleb Connolly <caleb@...nolly.tech>
> ---
>   arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi | 7 +++++++
>   1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
> index d4355522374a..8bf2430a3af7 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
> @@ -248,6 +248,12 @@ vreg_l20a_2p95: ldo20 {
>   			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>   		};
>
> +		vreg_l23a_3p3: ldo23 {
> +			regulator-min-microvolt = <3300000>;
> +			regulator-max-microvolt = <3312000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
>   		vdda_qusb_hs0_3p1:
>   		vreg_l24a_3p075: ldo24 {
>   			regulator-min-microvolt = <3088000>;
> @@ -647,6 +653,7 @@ &wifi {
>   	vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
>   	vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
>   	vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
> +	vdd-3.3-ch1-supply = <&vreg_l23a_3p3>;
>
>   	qcom,snoc-host-cap-8bit-quirk;
>   };
> --
> 2.33.1
>
>
Just for the record, I added it for completeness, as far as I can tell, 
the bluetooth driver itself won't use the second channel.


-- steev